各种规格的不锈钢.铜.铁材质的圆头机丝PM现货规格有:1.4x41.4x51.4x61.4x81.4x101.7x31.7x41.7x51.7x61.7x81.7x102x42x52x62x82x102x122.5x52.5x62.5x82.5x102.5x123x43x53x63x83x103x123x143x163x203x253x303x353x403x503x603x703x803x903.5x64x64x84x104x124x164x204x254x304x354x404x454x504x604x705x105x125x165x205x255x305x355x405x455x505x605x705x805x1006x126x166x206x256x306x356x406x456x506x606x706x806x1008x168x208x258x308x358x408x508x60颜色有镀镍.白锌.蓝锌.彩锌.可以根据客户要求定做各种规格的不锈钢.铜.铁材质的圆头机丝PM)